head to head · open source
Vector vs opentelemetry-ruby
Vector has 22,793 GitHub stars, 2,371 forks, 2,512 open issues and last shipped yesterday. opentelemetry-ruby has 613 stars, 303 forks, 144 open issues and last shipped yesterday. Vector leads on adoption by 3,618% (22,793 vs 613 stars). Vector is written in Rust under MPL-2.0; opentelemetry-ruby is written in Ruby under Apache-2.0. Vector has attracted 10% as many forks as stars, opentelemetry-ruby 49%. Vector was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (hacktoberfest, metrics), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Vector | opentelemetry-ruby | |
|---|---|---|
| GitHub stars | ★ 23K | ★ 613 |
| License | MPL-2.0 | Apache-2.0 |
| Written in | Rust | Ruby |
| Last push | 2026-11-04 | 2026-11-04 |
| Forks | ⑂ 2.4K | ⑂ 303 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Vector if
- You weight community size — 23K stars and counting
- You want the MPL-2.0 license terms
- Your stack matches Rust
- You value the larger contributor base for long-term maintenance
pick opentelemetry-ruby if
- You want the opentelemetry-ruby feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Ruby
- You evaluated both and opentelemetry-ruby fits your workflow better
About Vector
Quickstart • Docs • Guides • Integrations • Chat • Download • Container Images • Rust Crate Docs What is Vector? Vector is a high performance, end to end (agent & aggregator) observability data pipeline that puts you in control of your observability data. [Collect][docs.sources], [transform][docs.transforms], and [route][docs.sinks] all your logs and metrics to any vendors you want today and any other vendors you may want tomorrow. Vector enables dramatic cost reduction, novel data enrichment, and data security where you need it, not where it is most convenient for your…
read the full Vector overview →
About opentelemetry-ruby
OpenTelemetry Ruby [![Slack channel][slack image]][slack url] [![GitHub Discussions][discussions image]][discussions url] [![CI][ci image]][ci url] [![Apache License][license image]][license image] [![OpenSSF Scorecard for opentelemetry ruby contrib][openssf scorecard image]][openssf scorecard url] [![FOSSA License Status][fossa license image]][fossa license url] [![FOSSA Security Status][fossa security image]][fossa security url] The Ruby OpenTelemetry client. [Getting Started][getting started] Contributing Contrib Repository [Instrumentation Libraries][contrib instrumentations] Versioning Useful links License…
read the full opentelemetry-ruby overview →
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Frequently asked questions
Is Vector or opentelemetry-ruby more popular?
Vector has 22,793 GitHub stars and opentelemetry-ruby has 613. Vector has the larger community by that measure.
Are Vector and opentelemetry-ruby free?
Both are open source. Vector is licensed under MPL-2.0 and opentelemetry-ruby under Apache-2.0. Neither carries a licence fee.
What is the difference between Vector and opentelemetry-ruby?
Vector is written in Rust and opentelemetry-ruby in Ruby. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Vector or opentelemetry-ruby?
Choose Vector if you want the larger community (22,793 stars) or its MPL-2.0 licence terms. Choose opentelemetry-ruby if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.